. >> both president obama and mitt romney spent the day rallying voters in key battleground states. they are making a late push as they each prepare for a critical debate this tuesday. >> reporter: paul ryan tailgated with football fans in ohio, while milt romney rallied supporters. the republican team fanned out across the key battle ground state saturday. >> we need ohio! if we get ohio, we're going to able to take back america! >> reporter: no republican has won the white house without winning ohio. he told a crowd he sees the enthusiasm going. >> i'm going to help save the american families and get good jobs for every americans. >> reporter: voters say the economy is number one issue in this election. >> i bit on the american workers and ingenuity, and three years later, that is paying off in a big way. >> reporter: he argues that his job to help the auto industry saved jobs about. >> it to our auto industry has created nearly a quart ore of million new jobs right here in america. >> reporter: the president arrived in virginia saturday as his campaign announced a fund- raising m